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789 € Cheap Flights from London Stansted to Castries

Compare London Stansted to Castries flight deals

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Flight deals from London Stansted Airport to Castries

Looking for a cheap last-minute deal or the best return flight from London Stansted Airport to Castries? If you want to travel next month, return fares start from 964 €. Find the lowest prices on one-way and return tickets right here.
Castries.789 € per passenger.Departing Fri, 29 May, returning Thu, 18 Jun.Return flight with Ryanair and WestJet.Outbound indirect flight with Ryanair, departs from London Stansted on Fri, 29 May, arriving in St Lucia Hewanorra.Inbound indirect flight with WestJet, departs from St Lucia Hewanorra on Thu, 18 Jun, arriving in London Stansted.Price includes taxes and charges.From 789 €, select.
Castries.908 € per passenger.Departing Thu, 4 Jun, returning Thu, 18 Jun.Return flight with Ryanair and WestJet.Outbound indirect flight with Ryanair, departs from London Stansted on Thu, 4 Jun, arriving in St Lucia Vigie.Inbound indirect flight with WestJet, departs from St Lucia Hewanorra on Thu, 18 Jun, arriving in London Stansted.Price includes taxes and charges.From 908 €, select.
Castries.919 € per passenger.Departing Wed, 20 May, returning Sun, 31 May.Return flight with Ryanair and WestJet.Outbound indirect flight with Ryanair, departs from London Stansted on Wed, 20 May, arriving in St Lucia Hewanorra.Inbound indirect flight with WestJet, departs from St Lucia Hewanorra on Sun, 31 May, arriving in London Stansted.Price includes taxes and charges.From 919 €, select.
Castries.964 € per passenger.Departing Mon, 13 Apr, returning Tue, 21 Apr.Return flight with Ryanair and jetBlue.Outbound indirect flight with Ryanair, departs from London Stansted on Mon, 13 Apr, arriving in St Lucia Hewanorra.Inbound indirect flight with jetBlue, departs from St Lucia Hewanorra on Tue, 21 Apr, arriving in London Stansted.Price includes taxes and charges.From 964 €, select.
Castries.1.012 € per passenger.Departing Thu, 30 Apr, returning Sun, 31 May.Return flight with Ryanair and WestJet.Outbound indirect flight with Ryanair, departs from London Stansted on Thu, 30 Apr, arriving in St Lucia Vigie.Inbound indirect flight with WestJet, departs from St Lucia Hewanorra on Sun, 31 May, arriving in London Stansted.Price includes taxes and charges.From 1.012 €, select.
Castries.1.174 € per passenger.Departing Thu, 4 Jun, returning Thu, 9 Jul.Return flight with Ryanair and jetBlue.Outbound indirect flight with Ryanair, departs from London Stansted on Thu, 4 Jun, arriving in St Lucia Hewanorra.Inbound indirect flight with jetBlue, departs from St Lucia Hewanorra on Thu, 9 Jul, arriving in London Stansted.Price includes taxes and charges.From 1.174 €, select.
Castries.1.229 € per passenger.Departing Sat, 9 Jan, returning Mon, 1 Feb.Return flight with Ryanair and jetBlue.Outbound indirect flight with Ryanair, departs from London Stansted on Sat, 9 Jan, arriving in St Lucia Hewanorra.Inbound indirect flight with jetBlue, departs from St Lucia Hewanorra on Mon, 1 Feb, arriving in London Stansted.Price includes taxes and charges.From 1.229 €, select.
Castries.1.301 € per passenger.Departing Sat, 21 Mar, returning Tue, 24 Mar.Return flight with Jet2 and jetBlue.Outbound indirect flight with Jet2, departs from London Stansted on Sat, 21 Mar, arriving in St Lucia Vigie.Inbound indirect flight with jetBlue, departs from St Lucia Hewanorra on Tue, 24 Mar, arriving in London Stansted.Price includes taxes and charges.From 1.301 €, select.
Castries.1.314 € per passenger.Departing Sat, 11 Jul, returning Sun, 9 Aug.Return flight with Ryanair and WestJet.Outbound indirect flight with Ryanair, departs from London Stansted on Sat, 11 Jul, arriving in St Lucia Hewanorra.Inbound indirect flight with WestJet, departs from St Lucia Hewanorra on Sun, 9 Aug, arriving in London Stansted.Price includes taxes and charges.From 1.314 €, select.
Castries.1.339 € per passenger.Departing Tue, 31 Mar, returning Sun, 19 Apr.Return flight with Ryanair and jetBlue.Outbound indirect flight with Ryanair, departs from London Stansted on Tue, 31 Mar, arriving in St Lucia Hewanorra.Inbound indirect flight with jetBlue, departs from St Lucia Hewanorra on Sun, 19 Apr, arriving in London Stansted.Price includes taxes and charges.From 1.339 €, select.
Castries.1.341 € per passenger.Departing Thu, 1 Oct, returning Mon, 12 Oct.Return flight with Ryanair and jetBlue.Outbound indirect flight with Ryanair, departs from London Stansted on Thu, 1 Oct, arriving in St Lucia Vigie.Inbound indirect flight with jetBlue, departs from St Lucia Hewanorra on Mon, 12 Oct, arriving in London Stansted.Price includes taxes and charges.From 1.341 €, select.
Castries.1.362 € per passenger.Departing Mon, 3 Aug, returning Sun, 30 Aug.Return flight with Ryanair and WestJet.Outbound indirect flight with Ryanair, departs from London Stansted on Mon, 3 Aug, arriving in St Lucia Hewanorra.Inbound indirect flight with WestJet, departs from St Lucia Hewanorra on Sun, 30 Aug, arriving in London Stansted.Price includes taxes and charges.From 1.362 €, select.
Castries.1.365 € per passenger.Departing Tue, 21 Apr, returning Fri, 31 Jul.Return flight with Ryanair and jetBlue.Outbound indirect flight with Ryanair, departs from London Stansted on Tue, 21 Apr, arriving in St Lucia Hewanorra.Inbound indirect flight with jetBlue, departs from St Lucia Hewanorra on Fri, 31 Jul, arriving in London Stansted.Price includes taxes and charges.From 1.365 €, select.
Castries.1.371 € per passenger.Departing Wed, 1 Jul, returning Wed, 15 Jul.Return flight with Ryanair and Caribbean Airlines.Outbound indirect flight with Ryanair, departs from London Stansted on Wed, 1 Jul, arriving in St Lucia Hewanorra.Inbound indirect flight with Caribbean Airlines, departs from St Lucia Vigie on Wed, 15 Jul, arriving in London Stansted.Price includes taxes and charges.From 1.371 €, select.
Castries.1.552 € per passenger.Departing Sat, 29 Aug, returning Sat, 12 Sep.Return flight with Ryanair and jetBlue.Outbound indirect flight with Ryanair, departs from London Stansted on Sat, 29 Aug, arriving in St Lucia Hewanorra.Inbound indirect flight with jetBlue, departs from St Lucia Hewanorra on Sat, 12 Sep, arriving in London Stansted.Price includes taxes and charges.From 1.552 €, select.
Castries.1.561 € per passenger.Departing Thu, 3 Sep, returning Thu, 17 Sep.Return flight with Ryanair and jetBlue.Outbound indirect flight with Ryanair, departs from London Stansted on Thu, 3 Sep, arriving in St Lucia Vigie.Inbound indirect flight with jetBlue, departs from St Lucia Hewanorra on Thu, 17 Sep, arriving in London Stansted.Price includes taxes and charges.From 1.561 €, select.

Find the cheapest month to fly from London Stansted to Castries

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Stansted to Castries flights are currently cheapest in June.
Mar
from 1.301 €
Apr
from 964 €
May
from 919 €
Jun
from 908 €
Jul
from 1.371 €
Aug
from 1.362 €
Sep
from 1.561 €
Oct
from 1.341 €
Nov
Find prices
Dec
from 1.891 €
Jan
Find prices
Feb
Find prices

Alternative London Stansted to Castries routes

Looking for the cheapest, fastest or easiest route from London Stansted to Castries? You could fly into the following airports instead.

St Lucia Vigie

1km from central Castries
Closest
from 986 €
Search flights

St Lucia Hewanorra

31km from central Castries
Cheapest
from 789 €
Search flights

London to Castries: Flight information

The things to know before you go.
Cheapest flight found789 €
Cheapest month to flyMay

Check out these Castries hotels

Ready to plan your stay? Other travellers rate these Castries hotels for cleanliness, service and location.
Bel Jou Adults Only - All Inclusive
1.80 km from city centre
€309
Per night
Marigot Palms Luxury Guesthouse
5.74 km from city centre
€223
Per night
StolenTime St Lucia
2.30 km from city centre
€963
Per night
Bel Jou Adults Only - All Inclusive
1.80 km from city centre
€309
Per night
Marigot Palms Luxury Guesthouse
5.74 km from city centre
€223
Per night
StolenTime St Lucia
2.30 km from city centre
€963
Per night
Explore top-rated hotels

Finding cheap flights from London Stansted to Castries: Frequently asked questions

There are 2 airports in Castries: St Lucia Vigie and St Lucia Hewanorra.
The best price we found for a return flight from London Stansted to Castries is 789 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from London Stansted to Castries. But we found flights with one or more stops from 789 €.
As of March 2026, there are no flights flying from London Stansted to Castries.
The cheapest month to fly from London Stansted to Castries is usually May.
If you're flying from London Stansted Airport, the cheapest airport near Castries is St Lucia Hewanorra – which is 30.5 km away from the centre of Castries. We've found flights into this airport from 789 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Stansted Airport to Castries on Friday, 29 May 2026.
No airlines currently offer direct flights between London Stansted Airport and Castries. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Castries but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Castries is around 40 days in advance, so don’t leave your flight to the last minute.
In March, the average temperature is usually around 26°C. September is typically the warmest month in Castries, when it usually averages around 28°C. You can expect the least rain in February. The coldest month is February, with temperatures averaging 25°C. The rainiest month is October.
Currently, Ryanair offers the cheapest flight tickets to Castries.

Flying from Stansted Airport (STN) to Castries: what you need to know

  • The timezone in Castries is UTC-4. The city is four hours behind London, where Stansted Airport is located.

  • Give yourself enough time to make your STN to Castries flight. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.

  • If you're travelling during a bank holiday or another peak period, allow extra time. A good rule is two hours before domestic flights and up to four hours before international departures. Queues at security and check-in will be longer.

  • Located around 48 kilometres from the centre of London, STN can be reached in about 1 hour by car (depending on traffic). The journey on public transport will take roughly 1 hour 25 minutes.

  • Looking for a hotel close to STN? If you're boarding an early flight from Stansted Airport to Castries, these stays put the terminal practically at your doorstep:

  • 64.73% of flights taking off from Stansted Airport land at their destination on time.

How to find the cheapest flights from Stansted Airport (STN) to Castries

  • 356 € is currently the lowest price for a one-way Stansted Airport to Castries flight. Return plane tickets start from 789 €. These fares can change depending on demand and availability.

  • To pick up cheap flights from STN to Castries, book in advance. Airlines usually offer the most competitive fares when flights first go on sale.

  • The 'Whole month' tool will show you the cheapest tickets from Stansted Airport to Castries across the month. It's a great way to snap up a bargain if your dates aren't set in stone.

  • You don't need to keep checking in to find out if fares have dropped when you create a Price Alert. We'll update you as soon as there's an even bigger deal on cheap flights from STN to Castries.

  • Save on your flight from Stansted Airport to Castries with the help of our filters. Choose your preferred departure time, duration and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in Castries

George F. L. Charles Airport (SLU)

  • The distance from George F. L. Charles Airport (SLU) to central Castries is roughly 3 kilometres. It'll take you about 5 minutes to get to the centre driving.

  • It takes around 40 minutes if you're using public transport.

  • If you have a late flight from Stansted Airport to Castries, few things beat the convenience of staying near the terminal. Grab your bags from the carousel and then be showered and resting soon after at one of these accommodation options near SLU:

  • Travel at your own speed with a George F. L. Charles Airport rental car. Pick up your wheels from Drive A Matic, Final Rentals or Sixt and chase adventure across Castries and beyond.

  • Get the best deal by booking your ride from George F. L. Charles Airport about one week ahead of your flight from STN to Castries.

Hewanorra Airport (UVF)

  • Hewanorra Airport (UVF) is about 56 kilometres from central Castries. Following your flight from Stansted Airport to Castries, it'll take you around 1 hour 10 minutes to reach the heart of the city in a ride-share or cab.

  • There are some great places to call home for the night near UVF. Kick back and get cosy after your STN to Castries flight at any of these perfectly located options:

  • Drive A Matic, Sixt and Final Rentals make collecting a Hewanorra Airport rental car quick and easy. These providers are located in or around the terminal and will have you on the road before long.

  • Don't pay more than you need to. Securing your ride one week ahead of your arrival at UVF will help you stay within budget.

Best time to go to Castries

  • Carefully consider your travel dates before booking your flight from Stansted Airport to Castries. The city buzzes in high season, but hotel rates are usually higher and attractions can get crowded. Visit Castries in the low season if you prefer a more relaxed vibe.

  • When booking your Stansted Airport to Castries plane ticket, think about the type of weather you enjoy. September is the warmest month in Castries, with temperatures ranging from 26ºC (79ºF) to 30ºC (86ºF).

  • Search for cheap tickets from STN to Castries in February if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between 24ºC (75ºF) and 28ºC (82ºF) on average.

More about Castries

  • Start your Castries trip off on the right foot by choosing the perfect place to stay. Once you've booked your flight from Stansted Airport to Castries, browse our range of hotels including:

  • There are so many things to explore in this city it can be tricky to know where to start. Morne Fortune, Derek Walcott Square and Immaculate Conception Church are top sights which should be on any well-planned Castries itinerary.

Plan the rest of your trip from London to Castries

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.